Dice onions, potatoes and cut cauliflower to equal sized pieces. You can use any amount of potatoes versus cauliflower depending on your preference. There is no hard rule. If you are potato lover or low carb seeker, add based on your taste.
Add mustard seeds to the oil. When they stop spluttering, add cumin and turmeric. Cook for about 30 seconds.
Add diced potatoes, stir and close the lid. Cook while occasionally stirring till it is half cooked. When it is half cooked, add green onion, chilies (if using), ginger garlic paste and cauliflower.
Cook for 3-4 minutes. Stir occasionally. Add salt, chili powder and coriander powder, mix well.
Cook for another 10-15 mins till all vegetables are cooked.
Turn off the stove, garnish with chopped cilantro.
Recipe by Ujwala's Delicacies at https://www.ujwalasdelicacies.com/alu-gobi-with-chinese-cauliflower/